Exemple #1
0
Decoder::~Decoder()
{
  MOZ_ASSERT(mProgress == NoProgress || !mImage,
             "Destroying Decoder without taking all its progress changes");
  MOZ_ASSERT(mInvalidRect.IsEmpty() || !mImage,
             "Destroying Decoder without taking all its invalidations");
  mInitialized = false;

  if (mImage && !NS_IsMainThread()) {
    // Dispatch mImage to main thread to prevent it from being destructed by the
    // decode thread.
    NS_ReleaseOnMainThread(mImage.forget());
  }
}
void
DecodedSurfaceProvider::DropImageReference()
{
  if (!mImage) {
    return;  // Nothing to do.
  }

  // RasterImage objects need to be destroyed on the main thread. We also need
  // to destroy them asynchronously, because if our surface cache entry is
  // destroyed and we were the only thing keeping |mImage| alive, RasterImage's
  // destructor may call into the surface cache while whatever code caused us to
  // get evicted is holding the surface cache lock, causing deadlock.
  RefPtr<RasterImage> image = mImage;
  mImage = nullptr;
  NS_ReleaseOnMainThread(image.forget(), /* aAlwaysProxy = */ true);
}
void
ServiceWorkerJob::Finish(ErrorResult& aRv)
{
  AssertIsOnMainThread();
  MOZ_ASSERT(mState == State::Started);

  // Ensure that we only surface SecurityErr, TypeErr or InvalidStateErr to script.
  if (aRv.Failed() && !aRv.ErrorCodeIs(NS_ERROR_DOM_SECURITY_ERR) &&
                      !aRv.ErrorCodeIs(NS_ERROR_DOM_TYPE_ERR) &&
                      !aRv.ErrorCodeIs(NS_ERROR_DOM_INVALID_STATE_ERR)) {

    // Remove the old error code so we can replace it with a TypeError.
    aRv.SuppressException();

    NS_ConvertUTF8toUTF16 scriptSpec(mScriptSpec);
    NS_ConvertUTF8toUTF16 scope(mScope);

    // Throw the type error with a generic error message.
    aRv.ThrowTypeError<MSG_SW_INSTALL_ERROR>(scriptSpec, scope);
  }

  // The final callback may drop the last ref to this object.
  RefPtr<ServiceWorkerJob> kungFuDeathGrip = this;

  if (!mResultCallbacksInvoked) {
    InvokeResultCallbacks(aRv);
  }

  mState = State::Finished;

  mFinalCallback->JobFinished(this, aRv);
  mFinalCallback = nullptr;

  // The callback might not consume the error.
  aRv.SuppressException();

  // Async release this object to ensure that our caller methods complete
  // as well.
  NS_ReleaseOnMainThread(kungFuDeathGrip.forget(), true /* always proxy */);
}
/**
 * Free all used memory and close stream.
 */
NS_IMETHODIMP
nsGIOInputStream::Close()
{
  if (mStream)
  {
    g_object_unref(mStream);
    mStream = nullptr;
  }

  if (mHandle)
  {
    g_object_unref(mHandle);
    mHandle = nullptr;
  }

  if (mDirList)
  {
    // Destroy the list of GIOFileInfo objects...
    g_list_foreach(mDirList, (GFunc) g_object_unref, nullptr);
    g_list_free(mDirList);
    mDirList = nullptr;
    mDirListPtr = nullptr;
  }

  if (mChannel) {
    NS_ReleaseOnMainThread(dont_AddRef(mChannel));

    mChannel = nullptr;
  }

  mSpec.Truncate(); // free memory

  // Prevent future reads from re-opening the handle.
  if (NS_SUCCEEDED(mStatus))
    mStatus = NS_BASE_STREAM_CLOSED;

  return NS_OK;
}
Exemple #5
0
nsBaseChannel::~nsBaseChannel()
{
  NS_ReleaseOnMainThread(mLoadInfo.forget());
}
nsBaseChannel::~nsBaseChannel()
{
  NS_ReleaseOnMainThread(mLoadInfo);
}
void
FakeSurfaceComposer::captureScreenImp(const sp<IGraphicBufferProducer>& producer,
                                      uint32_t reqWidth,
                                      uint32_t reqHeight,
                                      const sp<GraphicProducerWrapper>& wrapper)
{
    MOZ_ASSERT(NS_IsMainThread());
    MOZ_ASSERT(wrapper.get());

    RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();

    // get screen geometry
    nsIntRect screenBounds = screen->GetNaturalBounds().ToUnknownRect();
    const uint32_t hw_w = screenBounds.width;
    const uint32_t hw_h = screenBounds.height;

    if (reqWidth > hw_w || reqHeight > hw_h) {
        ALOGE("size mismatch (%d, %d) > (%d, %d)",
                reqWidth, reqHeight, hw_w, hw_h);
        static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
        return;
    }

    reqWidth  = (!reqWidth)  ? hw_w : reqWidth;
    reqHeight = (!reqHeight) ? hw_h : reqHeight;

    nsScreenGonk* screenPtr = screen.forget().take();
    nsCOMPtr<nsIRunnable> runnable =
        NS_NewRunnableFunction([screenPtr, reqWidth, reqHeight, producer, wrapper]() {
            // create a surface (because we're a producer, and we need to
            // dequeue/queue a buffer)
            sp<Surface> sur = new Surface(producer);
            ANativeWindow* window = sur.get();

            if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != NO_ERROR) {
                static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
                NS_ReleaseOnMainThread(screenPtr);
                return;
            }
            uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
                             GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;

            int err = 0;
            err = native_window_set_buffers_dimensions(window, reqWidth, reqHeight);
            err |= native_window_set_scaling_mode(window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
            err |= native_window_set_buffers_format(window, HAL_PIXEL_FORMAT_RGBA_8888);
            err |= native_window_set_usage(window, usage);

            status_t result = NO_ERROR;
            if (err == NO_ERROR) {
                ANativeWindowBuffer* buffer;
                result = native_window_dequeue_buffer_and_wait(window,  &buffer);
                if (result == NO_ERROR) {
                    nsresult rv = screenPtr->MakeSnapshot(buffer);
                    if (rv != NS_OK) {
                        result = INVALID_OPERATION;
                    }
                    window->queueBuffer(window, buffer, -1);
                }
            } else {
                result = BAD_VALUE;
            }
            native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
            static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(result);
            NS_ReleaseOnMainThread(screenPtr);
        });

    mozilla::layers::CompositorParent::CompositorLoop()->PostTask(
        FROM_HERE, new RunnableCallTask(runnable));
}
 ~nsWyciwygAsyncEvent()
 {
   NS_ReleaseOnMainThread(mChannel.forget());
 }
nsWyciwygChannel::~nsWyciwygChannel() 
{
  if (mLoadInfo) {
    NS_ReleaseOnMainThread(mLoadInfo.forget(), false);
  }
}